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Difficulty: MediumTransitions: Contrast and Concession

To study the deep-sea benthos, oceanographers frequently rely on remotely operated vehicles (ROVs) equipped with high-definition cameras, which allow for detailed visual surveys without disturbing the fragile marine habitat. These video feeds provide invaluable data on species distribution and behavior. ________, they cannot collect physical specimens or measure cellular-level physiological responses, requiring researchers to supplement visual data with physical sampling techniques.

Which choice completes the passage with the most logical transition?

  1. A
    Consequently,
  2. B
    Furthermore,
  3. Nevertheless,Answer
  4. D
    For instance,

Answer

Nevertheless,
The passage transitions from discussing the benefits of ROVs (providing non-disruptive, invaluable visual data) to discussing their limitations (the inability to collect physical specimens or measure cellular responses). The correct transition must establish a contrast or concession between these two ideas. The transition 'Nevertheless' correctly signals that despite the benefits of ROVs, they still have limitations.

Step-by-Step Solution

1
Analyze the relationship between the ideas before and after the blank.
The sentences before the blank describe the benefits of using ROVs (non-disruptive visual surveys, invaluable data). The sentence after the blank describes a significant limitation of ROVs (inability to collect physical specimens or measure physiological responses).
Identifying the logical flow is necessary to select the correct transition type.
2
Determine the type of transition required to connect these ideas.
Since the passage moves from positive aspects (benefits) to negative aspects (limitations), a contrast or concession transition is needed to signal this shift.
The correct transition must reflect the contrast between the utility and the limitations of the technology.
3
Evaluate the choices to find the one that establishes a contrast or concession relationship.
'Nevertheless' is a concession/contrast transition that fits the context perfectly. The other options represent cause/effect ('Consequently'), addition ('Furthermore'), or exemplification ('For instance'), which do not fit the logical relationship.
Selecting the option that matches the identified logical relationship ensures a coherent passage.

Key Concept

Transitions: Contrast and Concession
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Topics

Transitions: Contrast and Concession

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